281301975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 537434352

約数和(自身を除く): 256132377

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 251, 255, 293, 425, 753, 765, 879, 1255, 1275, 1465, 2259, 2637, 3765, 3825, 4267, 4395, 4981, 6275, 7325, 11295, 12801, 13185, 14943, 18825, 21335, 21975, 24905, 38403, 44829, 56475, 64005, 65925, 73543, 74715, 106675, 124525, 192015, 220629, 224145, 320025, 367715, 373575, 661887, 960075, 1103145, 1120725, 1250231, 1838575, 3309435, 3750693, 5515725, 6251155, 11252079, 16547175, 18753465, 31255775, 56260395, 93767325, 281301975]

約数ペア:

[(1, 281301975), (3, 93767325), (5, 56260395), (9, 31255775), (15, 18753465), (17, 16547175), (25, 11252079), (45, 6251155), (51, 5515725), (75, 3750693), (85, 3309435), (153, 1838575), (225, 1250231), (251, 1120725), (255, 1103145), (293, 960075), (425, 661887), (753, 373575), (765, 367715), (879, 320025), (1255, 224145), (1275, 220629), (1465, 192015), (2259, 124525), (2637, 106675), (3765, 74715), (3825, 73543), (4267, 65925), (4395, 64005), (4981, 56475), (6275, 44829), (7325, 38403), (11295, 24905), (12801, 21975), (13185, 21335), (14943, 18825)]